diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 996b9aef94ceb..861173f004592 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -87,6 +87,46 @@ static void f2fs_write_end_io(struct bio *bio)
bio_put(bio);
}
+/*
+ * Return true, if pre_bio's bdev is same as its target device.
+ */
+struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi,
+ block_t blk_addr, struct bio *bio)
+{
+ struct block_device *bdev = sbi->sb->s_bdev;
+ int i;
+
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ if (FDEV(i).start_blk <= blk_addr &&
+ FDEV(i).end_blk >= blk_addr) {
+ blk_addr -= FDEV(i).start_blk;
+ bdev = FDEV(i).bdev;
+ break;
+ }
+ }
+ if (bio) {
+ bio->bi_bdev = bdev;
+ bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(blk_addr);
+ }
+ return bdev;
+}
+
+int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr)
+{
+ int i;
+
+ for (i = 0; i < sbi->s_ndevs; i++)
+ if (FDEV(i).start_blk <= blkaddr && FDEV(i).end_blk >= blkaddr)
+ return i;
+ return 0;
+}
+
+static bool __same_bdev(struct f2fs_sb_info *sbi,
+ block_t blk_addr, struct bio *bio)
+{
+ return f2fs_target_device(sbi, blk_addr, NULL) == bio->bi_bdev;
+}
+
/*
* Low-level block read/write IO operations.
*/
@@ -97,8 +137,7 @@ static struct bio *__bio_alloc(struct f2fs_sb_info *sbi, block_t blk_addr,
bio = f2fs_bio_alloc(npages);
- bio->bi_bdev = sbi->sb->s_bdev;
- bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(blk_addr);
+ f2fs_target_device(sbi, blk_addr, bio);
bio->bi_end_io = is_read ? f2fs_read_end_io : f2fs_write_end_io;
bio->bi_private = is_read ? NULL : sbi;
@@ -273,7 +312,8 @@ void f2fs_submit_page_mbio(struct f2fs_io_info *fio)
down_write(&io->io_rwsem);
if (io->bio && (io->last_block_in_bio != fio->new_blkaddr - 1 ||
- (io->fio.op != fio->op || io->fio.op_flags != fio->op_flags)))
+ (io->fio.op != fio->op || io->fio.op_flags != fio->op_flags) ||
+ !__same_bdev(sbi, fio->new_blkaddr, io->bio)))
__submit_merged_bio(io);
alloc_new:
if (io->bio == NULL) {
@@ -961,7 +1001,6 @@ static struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr,
{
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct fscrypt_ctx *ctx = NULL;
- struct block_device *bdev = sbi->sb->s_bdev;
struct bio *bio;
if (f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode)) {
@@ -979,8 +1018,7 @@ static struct bio *f2fs_grab_bio(struct inode *inode, block_t blkaddr,
fscrypt_release_ctx(ctx);
return ERR_PTR(-ENOMEM);
}
- bio->bi_bdev = bdev;
- bio->bi_iter.bi_sector = SECTOR_FROM_BLOCK(blkaddr);
+ f2fs_target_device(sbi, blkaddr, bio);
bio->bi_end_io = f2fs_read_end_io;
bio->bi_private = ctx;
@@ -1075,7 +1113,8 @@ static int f2fs_mpage_readpages(struct address_space *mapping,
* This page will go to BIO. Do we need to send this
* BIO off first?
*/
- if (bio && (last_block_in_bio != block_nr - 1)) {
+ if (bio && (last_block_in_bio != block_nr - 1 ||
+ !__same_bdev(F2FS_I_SB(inode), block_nr, bio))) {
submit_and_realloc:
__submit_bio(F2FS_I_SB(inode), bio, DATA);
bio = NULL;
@@ -1734,6 +1773,8 @@ static ssize_t f2fs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
return 0;
if (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS))
return 0;
+ if (F2FS_I_SB(inode)->s_ndevs)
+ return 0;
trace_f2fs_direct_IO_enter(inode, offset, count, rw);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 0496e82834d02..96221b1f620ee 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -709,6 +709,20 @@ struct f2fs_bio_info {
struct rw_semaphore io_rwsem; /* blocking op for bio */
};
+#define FDEV(i) (sbi->devs[i])
+#define RDEV(i) (raw_super->devs[i])
+struct f2fs_dev_info {
+ struct block_device *bdev;
+ char path[MAX_PATH_LEN];
+ unsigned int total_segments;
+ block_t start_blk;
+ block_t end_blk;
+#ifdef CONFIG_BLK_DEV_ZONED
+ unsigned int nr_blkz; /* Total number of zones */
+ u8 *blkz_type; /* Array of zones type */
+#endif
+};
+
enum inode_type {
DIR_INODE, /* for dirty dir inode */
FILE_INODE, /* for dirty regular/symlink inode */
@@ -757,10 +771,8 @@ struct f2fs_sb_info {
#endif
#ifdef CONFIG_BLK_DEV_ZONED
- unsigned int nr_blkz; /* Total number of zones */
unsigned int blocks_per_blkz; /* F2FS blocks per zone */
unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */
- u8 *blkz_type; /* Array of zones type */
#endif
/* for node-related operations */
@@ -876,6 +888,8 @@ struct f2fs_sb_info {
/* For shrinker support */
struct list_head s_list;
+ int s_ndevs; /* number of devices */
+ struct f2fs_dev_info *devs; /* for device list */
struct mutex umount_mutex;
unsigned int shrinker_run_no;
@@ -2138,6 +2152,9 @@ void f2fs_submit_merged_bio_cond(struct f2fs_sb_info *, struct inode *,
void f2fs_flush_merged_bios(struct f2fs_sb_info *);
int f2fs_submit_page_bio(struct f2fs_io_info *);
void f2fs_submit_page_mbio(struct f2fs_io_info *);
+struct block_device *f2fs_target_device(struct f2fs_sb_info *,
+ block_t, struct bio *);
+int f2fs_target_device_index(struct f2fs_sb_info *, block_t);
void set_data_blkaddr(struct dnode_of_data *);
void f2fs_update_data_blkaddr(struct dnode_of_data *, block_t);
int reserve_new_blocks(struct dnode_of_data *, blkcnt_t);
@@ -2425,11 +2442,15 @@ static inline int f2fs_sb_mounted_blkzoned(struct super_block *sb)
#ifdef CONFIG_BLK_DEV_ZONED
static inline int get_blkz_type(struct f2fs_sb_info *sbi,
- block_t blkaddr)
+ struct block_device *bdev, block_t blkaddr)
{
unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz;
+ int i;
- return sbi->blkz_type[zno];
+ for (i = 0; i < sbi->s_ndevs; i++)
+ if (FDEV(i).bdev == bdev)
+ return FDEV(i).blkz_type[zno];
+ return -EINVAL;
}
#endif
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 4cc589a493e3a..1869bc3973d52 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -403,6 +403,33 @@ void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi)
}
}
+static int __submit_flush_wait(struct block_device *bdev)
+{
+ struct bio *bio = f2fs_bio_alloc(0);
+ int ret;
+
+ bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
+ bio->bi_bdev = bdev;
+ ret = submit_bio_wait(bio);
+ bio_put(bio);
+ return ret;
+}
+
+static int submit_flush_wait(struct f2fs_sb_info *sbi)
+{
+ int ret = __submit_flush_wait(sbi->sb->s_bdev);
+ int i;
+
+ if (sbi->s_ndevs && !ret) {
+ for (i = 1; i < sbi->s_ndevs; i++) {
+ ret = __submit_flush_wait(FDEV(i).bdev);
+ if (ret)
+ break;
+ }
+ }
+ return ret;
+}
+
static int issue_flush_thread(void *data)
{
struct f2fs_sb_info *sbi = data;
@@ -413,25 +440,18 @@ static int issue_flush_thread(void *data)
return 0;
if (!llist_empty(&fcc->issue_list)) {
- struct bio *bio;
struct flush_cmd *cmd, *next;
int ret;
- bio = f2fs_bio_alloc(0);
-
fcc->dispatch_list = llist_del_all(&fcc->issue_list);
fcc->dispatch_list = llist_reverse_order(fcc->dispatch_list);
- bio->bi_bdev = sbi->sb->s_bdev;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
- ret = submit_bio_wait(bio);
-
+ ret = submit_flush_wait(sbi);
llist_for_each_entry_safe(cmd, next,
fcc->dispatch_list, llnode) {
cmd->ret = ret;
complete(&cmd->wait);
}
- bio_put(bio);
fcc->dispatch_list = NULL;
}
@@ -452,15 +472,11 @@ int f2fs_issue_flush(struct f2fs_sb_info *sbi)
return 0;
if (!test_opt(sbi, FLUSH_MERGE) || !atomic_read(&fcc->submit_flush)) {
- struct bio *bio = f2fs_bio_alloc(0);
int ret;
atomic_inc(&fcc->submit_flush);
- bio->bi_bdev = sbi->sb->s_bdev;
- bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_FLUSH);
- ret = submit_bio_wait(bio);
+ ret = submit_flush_wait(sbi);
atomic_dec(&fcc->submit_flush);
- bio_put(bio);
return ret;
}
@@ -637,14 +653,18 @@ static void f2fs_submit_bio_wait_endio(struct bio *bio)
/* this function is copied from blkdev_issue_discard from block/blk-lib.c */
static int __f2fs_issue_discard_async(struct f2fs_sb_info *sbi,
- block_t blkstart, block_t blklen)
+ struct block_device *bdev, block_t blkstart, block_t blklen)
{
- struct block_device *bdev = sbi->sb->s_bdev;
struct bio *bio = NULL;
int err;
trace_f2fs_issue_discard(sbi->sb, blkstart, blklen);
+ if (sbi->s_ndevs) {
+ int devi = f2fs_target_device_index(sbi, blkstart);
+
+ blkstart -= FDEV(devi).start_blk;
+ }
err = __blkdev_issue_discard(bdev,
SECTOR_FROM_BLOCK(blkstart),
SECTOR_FROM_BLOCK(blklen),
@@ -662,18 +682,24 @@ static int __f2fs_issue_discard_async(struct f2fs_sb_info *sbi,
}
#ifdef CONFIG_BLK_DEV_ZONED
-static int f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
- block_t blkstart, block_t blklen)
+static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
+ struct block_device *bdev, block_t blkstart, block_t blklen)
{
- sector_t sector = SECTOR_FROM_BLOCK(blkstart);
sector_t nr_sects = SECTOR_FROM_BLOCK(blklen);
- struct block_device *bdev = sbi->sb->s_bdev;
+ sector_t sector;
+ int devi = 0;
- if (nr_sects != bdev_zone_size(bdev)) {
+ if (sbi->s_ndevs) {
+ devi = f2fs_target_device_index(sbi, blkstart);
+ blkstart -= FDEV(devi).start_blk;
+ }
+ sector = SECTOR_FROM_BLOCK(blkstart);
+
+ if (sector % bdev_zone_size(bdev) || nr_sects != bdev_zone_size(bdev)) {
f2fs_msg(sbi->sb, KERN_INFO,
- "Unaligned discard attempted (sector %llu + %llu)",
- (unsigned long long)sector,
- (unsigned long long)nr_sects);
+ "(%d) %s: Unaligned discard attempted (block %x + %x)",
+ devi, sbi->s_ndevs ? FDEV(devi).path: "",
+ blkstart, blklen);
return -EIO;
}
@@ -682,14 +708,12 @@ static int f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
* use regular discard if the drive supports it. For sequential
* zones, reset the zone write pointer.
*/
- switch (get_blkz_type(sbi, blkstart)) {
+ switch (get_blkz_type(sbi, bdev, blkstart)) {
case BLK_ZONE_TYPE_CONVENTIONAL:
if (!blk_queue_discard(bdev_get_queue(bdev)))
return 0;
- return __f2fs_issue_discard_async(sbi, blkstart,
- blklen);
-
+ return __f2fs_issue_discard_async(sbi, bdev, blkstart, blklen);
case BLK_ZONE_TYPE_SEQWRITE_REQ:
case BLK_ZONE_TYPE_SEQWRITE_PREF:
trace_f2fs_issue_reset_zone(sbi->sb, blkstart);
@@ -702,14 +726,45 @@ static int f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
}
#endif
+static int __issue_discard_async(struct f2fs_sb_info *sbi,
+ struct block_device *bdev, block_t blkstart, block_t blklen)
+{
+#ifdef CONFIG_BLK_DEV_ZONED
+ if (f2fs_sb_mounted_blkzoned(sbi->sb) &&
+ bdev_zoned_model(bdev) != BLK_ZONED_NONE)
+ return __f2fs_issue_discard_zone(sbi, bdev, blkstart, blklen);
+#endif
+ return __f2fs_issue_discard_async(sbi, bdev, blkstart, blklen);
+}
+
static int f2fs_issue_discard(struct f2fs_sb_info *sbi,
block_t blkstart, block_t blklen)
{
+ sector_t start = blkstart, len = 0;
+ struct block_device *bdev;
struct seg_entry *se;
unsigned int offset;
block_t i;
+ int err = 0;
+
+ bdev = f2fs_target_device(sbi, blkstart, NULL);
+
+ for (i = blkstart; i < blkstart + blklen; i++, len++) {
+ if (i != start) {
+ struct block_device *bdev2 =
+ f2fs_target_device(sbi, i, NULL);
+
+ if (bdev2 != bdev) {
+ err = __issue_discard_async(sbi, bdev,
+ start, len);
+ if (err)
+ return err;
+ bdev = bdev2;
+ start = i;
+ len = 0;
+ }
+ }
- for (i = blkstart; i < blkstart + blklen; i++) {
se = get_seg_entry(sbi, GET_SEGNO(sbi, i));
offset = GET_BLKOFF_FROM_SEG0(sbi, i);
@@ -717,11 +772,9 @@ static int f2fs_issue_discard(struct f2fs_sb_info *sbi,
sbi->discard_blks--;
}
-#ifdef CONFIG_BLK_DEV_ZONED
- if (f2fs_sb_mounted_blkzoned(sbi->sb))
- return f2fs_issue_discard_zone(sbi, blkstart, blklen);
-#endif
- return __f2fs_issue_discard_async(sbi, blkstart, blklen);
+ if (len)
+ err = __issue_discard_async(sbi, bdev, start, len);
+ return err;
}
static void __add_discard_entry(struct f2fs_sb_info *sbi,
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index eca9aea9834ea..4ccbb860ad062 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -713,6 +713,19 @@ static void destroy_percpu_info(struct f2fs_sb_info *sbi)
percpu_counter_destroy(&sbi->total_valid_inode_count);
}
+static void destroy_device_list(struct f2fs_sb_info *sbi)
+{
+ int i;
+
+ for (i = 0; i < sbi->s_ndevs; i++) {
+ blkdev_put(FDEV(i).bdev, FMODE_EXCL);
+#ifdef CONFIG_BLK_DEV_ZONED
+ kfree(FDEV(i).blkz_type);
+#endif
+ }
+ kfree(sbi->devs);
+}
+
static void f2fs_put_super(struct super_block *sb)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -773,6 +786,8 @@ static void f2fs_put_super(struct super_block *sb)
crypto_free_shash(sbi->s_chksum_driver);
kfree(sbi->raw_super);
+ destroy_device_list(sbi);
+
destroy_percpu_info(sbi);
kfree(sbi);
}
@@ -1516,9 +1531,9 @@ static int init_percpu_info(struct f2fs_sb_info *sbi)
}
#ifdef CONFIG_BLK_DEV_ZONED
-static int init_blkz_info(struct f2fs_sb_info *sbi)
+static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
{
- struct block_device *bdev = sbi->sb->s_bdev;
+ struct block_device *bdev = FDEV(devi).bdev;
sector_t nr_sectors = bdev->bd_part->nr_sects;
sector_t sector = 0;
struct blk_zone *zones;
@@ -1529,15 +1544,21 @@ static int init_blkz_info(struct f2fs_sb_info *sbi)
if (!f2fs_sb_mounted_blkzoned(sbi->sb))
return 0;
+ if (sbi->blocks_per_blkz && sbi->blocks_per_blkz !=
+ SECTOR_TO_BLOCK(bdev_zone_size(bdev)))
+ return -EINVAL;
sbi->blocks_per_blkz = SECTOR_TO_BLOCK(bdev_zone_size(bdev));
+ if (sbi->log_blocks_per_blkz && sbi->log_blocks_per_blkz !=
+ __ilog2_u32(sbi->blocks_per_blkz))
+ return -EINVAL;
sbi->log_blocks_per_blkz = __ilog2_u32(sbi->blocks_per_blkz);
- sbi->nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >>
- sbi->log_blocks_per_blkz;
+ FDEV(devi).nr_blkz = SECTOR_TO_BLOCK(nr_sectors) >>
+ sbi->log_blocks_per_blkz;
if (nr_sectors & (bdev_zone_size(bdev) - 1))
- sbi->nr_blkz++;
+ FDEV(devi).nr_blkz++;
- sbi->blkz_type = kmalloc(sbi->nr_blkz, GFP_KERNEL);
- if (!sbi->blkz_type)
+ FDEV(devi).blkz_type = kmalloc(FDEV(devi).nr_blkz, GFP_KERNEL);
+ if (!FDEV(devi).blkz_type)
return -ENOMEM;
#define F2FS_REPORT_NR_ZONES 4096
@@ -1562,7 +1583,7 @@ static int init_blkz_info(struct f2fs_sb_info *sbi)
}
for (i = 0; i < nr_zones; i++) {
- sbi->blkz_type[n] = zones[i].type;
+ FDEV(devi).blkz_type[n] = zones[i].type;
sector += zones[i].len;
n++;
}
@@ -1666,6 +1687,77 @@ int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover)
return err;
}
+static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
+{
+ struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
+ int i;
+
+ for (i = 0; i < MAX_DEVICES; i++) {
+ if (!RDEV(i).path[0])
+ return 0;
+
+ if (i == 0) {
+ sbi->devs = kzalloc(sizeof(struct f2fs_dev_info) *
+ MAX_DEVICES, GFP_KERNEL);
+ if (!sbi->devs)
+ return -ENOMEM;
+ }
+
+ memcpy(FDEV(i).path, RDEV(i).path, MAX_PATH_LEN);
+ FDEV(i).total_segments = le32_to_cpu(RDEV(i).total_segments);
+ if (i == 0) {
+ FDEV(i).start_blk = 0;
+ FDEV(i).end_blk = FDEV(i).start_blk +
+ (FDEV(i).total_segments <<
+ sbi->log_blocks_per_seg) - 1 +
+ le32_to_cpu(raw_super->segment0_blkaddr);
+ } else {
+ FDEV(i).start_blk = FDEV(i - 1).end_blk + 1;
+ FDEV(i).end_blk = FDEV(i).start_blk +
+ (FDEV(i).total_segments <<
+ sbi->log_blocks_per_seg) - 1;
+ }
+
+ FDEV(i).bdev = blkdev_get_by_path(FDEV(i).path,
+ sbi->sb->s_mode, sbi->sb->s_type);
+ if (IS_ERR(FDEV(i).bdev))
+ return PTR_ERR(FDEV(i).bdev);
+
+ /* to release errored devices */
+ sbi->s_ndevs = i + 1;
+
+#ifdef CONFIG_BLK_DEV_ZONED
+ if (bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HM &&
+ !f2fs_sb_mounted_blkzoned(sbi->sb)) {
+ f2fs_msg(sbi->sb, KERN_ERR,
+ "Zoned block device feature not enabled\n");
+ return -EINVAL;
+ }
+ if (bdev_zoned_model(FDEV(i).bdev) != BLK_ZONED_NONE) {
+ if (init_blkz_info(sbi, i)) {
+ f2fs_msg(sbi->sb, KERN_ERR,
+ "Failed to initialize F2FS blkzone information");
+ return -EINVAL;
+ }
+ f2fs_msg(sbi->sb, KERN_INFO,
+ "Mount Device [%2d]: %20s, %8u, %8x - %8x (zone: %s)",
+ i, FDEV(i).path,
+ FDEV(i).total_segments,
+ FDEV(i).start_blk, FDEV(i).end_blk,
+ bdev_zoned_model(FDEV(i).bdev) == BLK_ZONED_HA ?
+ "Host-aware" : "Host-managed");
+ continue;
+ }
+#endif
+ f2fs_msg(sbi->sb, KERN_INFO,
+ "Mount Device [%2d]: %20s, %8u, %8x - %8x",
+ i, FDEV(i).path,
+ FDEV(i).total_segments,
+ FDEV(i).start_blk, FDEV(i).end_blk);
+ }
+ return 0;
+}
+
static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
{
struct f2fs_sb_info *sbi;
@@ -1724,15 +1816,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
"Zoned block device support is not enabled\n");
goto free_sb_buf;
}
-#else
- if (bdev_zoned_model(sb->s_bdev) == BLK_ZONED_HM &&
- !f2fs_sb_mounted_blkzoned(sb)) {
- f2fs_msg(sb, KERN_ERR,
- "Zoned block device feature not enabled\n");
- goto free_sb_buf;
- }
#endif
-
default_options(sbi);
/* parse mount options */
options = kstrdup((const char *)data, GFP_KERNEL);
@@ -1802,6 +1886,13 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
goto free_meta_inode;
}
+ /* Initialize device list */
+ err = f2fs_scan_devices(sbi);
+ if (err) {
+ f2fs_msg(sb, KERN_ERR, "Failed to find devices");
+ goto free_devices;
+ }
+
sbi->total_valid_node_count =
le32_to_cpu(sbi->ckpt->valid_node_count);
percpu_counter_set(&sbi->total_valid_inode_count,
@@ -1820,15 +1911,6 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
init_ino_entry_info(sbi);
-#ifdef CONFIG_BLK_DEV_ZONED
- err = init_blkz_info(sbi);
- if (err) {
- f2fs_msg(sb, KERN_ERR,
- "Failed to initialize F2FS blkzone information");
- goto free_blkz;
- }
-#endif
-
/* setup f2fs internal modules */
err = build_segment_manager(sbi);
if (err) {
@@ -2007,10 +2089,8 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
destroy_node_manager(sbi);
free_sm:
destroy_segment_manager(sbi);
-#ifdef CONFIG_BLK_DEV_ZONED
-free_blkz:
- kfree(sbi->blkz_type);
-#endif
+free_devices:
+ destroy_device_list(sbi);
kfree(sbi->ckpt);
free_meta_inode:
make_bad_inode(sbi->meta_inode);
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 422630b8e5886..cea41a124a801 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -52,10 +52,17 @@
#define VERSION_LEN 256
#define MAX_VOLUME_NAME 512
+#define MAX_PATH_LEN 64
+#define MAX_DEVICES 8
/*
* For superblock
*/
+struct f2fs_device {
+ __u8 path[MAX_PATH_LEN];
+ __le32 total_segments;
+} __packed;
+
struct f2fs_super_block {
__le32 magic; /* Magic Number */
__le16 major_ver; /* Major Version */
@@ -94,7 +101,8 @@ struct f2fs_super_block {
__le32 feature; /* defined features */
__u8 encryption_level; /* versioning level for encryption */
__u8 encrypt_pw_salt[16]; /* Salt used for string2key algorithm */
- __u8 reserved[871]; /* valid reserved region */
+ struct f2fs_device devs[MAX_DEVICES]; /* device list */
+ __u8 reserved[327]; /* valid reserved region */
} __packed;
/*